noun. A quality found in the comedic, the courageous, and the non-lying-down-y.
Real citation: "applauding your stand-up-itude RT @burghbaby: Why I pulled out of The contest is here http://bit.ly/2geMiB. I can't say I'm sorry enough"
(Oct. 22, 2009, theburghboy, Twitter, http://twitter.com/theburghboy/statuses/5085970843)
Made-up citation: "I wish I had more stand-up-itude... I spend far too much time hunched over like a monkey fucking a football, an expression not endorsed by Mr. Manners."